class_docstr: Class that wraps builtin Traceback objects.
docstr: Necessary for PyPy's tproxy.
docstr_tok: ["Necessary","for","PyPy","'s","tproxy","."]
code: def __tproxy__(self, operation, *args, **kwargs):
      """
      Necessary for PyPy's tproxy.
      """
      if operation in ("__getattribute__", "__getattr__"):
          if args[0] == "tb_next":
              return self.tb_next and self.tb_next.as_traceback()
          elif args[0] == "tb_frame":
              return tproxy(FrameType, self.tb_frame.__tproxy__)
          else:
              return getattr(self, args[0])
      else:
          return getattr(self, operation)(*args, **kwargs)
  
imports: import re
  import sys
  from types import CodeType
  from types import FrameType
  from types import TracebackType
label_desc: Use image node_id 3 for calling the Traceback obj's underlying member method code with example usage: obj.__tproxy__(operation) and returns: getattr, unknown, tproxy, getattr